Either use the gmos 04 interface or bypass the amplifier. For models with nav use the gmos lan 08.
Metra Gmos 04 Wiring Diagram Diagram Base Website Wiring
Axxess gmos lan 01 wiring diagram. Question about axxess gmos lan lan onstar interface for gm. Searches related to the axxess gmos lan 01 wiring interface connect a new car stereo and retain onstar the safety warning chimes the factory backup camera with a video receiver in select gm vehicles. These vehicles are standard for a factory amplifier. Connect the greenpurple wire to the reverse wire of the aftermarket navigation radio. Page 8 gmos lan 012 i n s ta l l at i o n i n s t r u c t i o n s important if you are having difficulties with the installation of this product please call our tech support line at 1 800. Connect the bluepink wire to the vss or speed sense wire of the aftermarket navigation radio.
Connect thegray wire from the 24 pin plug to ampli fiers right front positive speaker output wire. Note 3 only for models without nav in 2012 up. Note 2 only for models without nav in 2011 2015. The gmos lan 01 also provides a mute parking brake vss or speed sense and a reverse out put to make installing an aftermarket navigational radio simpler and less time consuming. Either use the gmos lan 02 interface or bypass the amplifier. Press and hold the reset button for 2 seconds then let go to reset the axxess interface.
Cut the gray wire about half way between the two plugs. I have no factory amp but see wiring diagram on page 6 plug to the negative speaker wire of the metra sp or equivalent. Cut the gray. Refer to programming the gmos lan 012 from this point. For models with nav use the gmos lan 08. The following wires on the 14 pin harness are for the aftermarket radios that have navigation built in.
If bypassing the amplifier follow the axxess interface amp bypass schematic in the documents section. Gmos lan 01 wiring diagram gmos 01 wiring diagram for harness. When completed plug the 14 pin harness into the gmos 01. The general motors onstar 01 module is designed to provide an interface between the onstar system and an after market stereo system so that all of the onstar features are retained. Page 2 gmos lan 01 read important warning before attempting any installation important warning this product includes instructions for installation which must be. Connect the gray wire from the 12 pin plug to the positive speakerwire of the metra sp 2003 or equivalent.
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